Mach 2 TMS Recirculating Diverter valve (35mm inlet, 30mm outlet – suits MY97-98 WRX/STi)

AUD $209.00

About this range

MACH 2: 100% Recirculating Diverter Valve

THE SIMPLE AND ESSENTIAL MOD FOR  QUICKER BOOST RESPONSE

Utilising Proven Tms Technology To Ensure Dependable Boost Holding And Optimum Throttle Response

Blow off sound not to your taste? Want something as “sleeper” as possible? Don’t want your partner to know you’ve stuck a turbo on the daily (again)? Then the GFB Mach 2 is the valve for you!

Using GFB’s TMS technology the Mach 2 can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears (more information below).

The Mach 2 is available in a range of universal and bolt-on kits for most popular turbo models. And when we say “bolt-on”, that’s exactly what we mean! No additional adaptors, parts or vehicle modifications are required – simply remove the factory bypass valve and replace it with the Mach 2 – it’s that simple!

The Mach 2 is configured as a 100% recirculating valve (i.e. bypass, plumb back) as a direct factory replacement, for when you want all the performance WITHOUT the noise!

Why replace the factory bypass valve? Better performance! Factory bypass valves typically have two main shortcomings – one is that they are often designed to blow open above a certain pressure to protect the engine (if you drive an EVO, take note and read this article!), and the other is they are not optimised for throttle response.

The Mach 2 solves both issues. With its pressure-balanced design, the Mach 2 can effectively hold unlimited boost (unlimited in that no turbo could ever produce enough pressure to damage it), and the TMS technology ensures maximum throttle response.

For more information about GFB's TMS Technology, click here

Downloads & Installation
Vehicle Applications

Mach 2 TMS Recirculating Diverter valve (35mm inlet, 30mm outlet - suits MY97-98 WRX/STi) also suits:

  • MITSUBISHI Cordia AA-AC 4G62 83-89 Note : No stock valve - custom fit required
  • MITSUBISHI Starion JA-JD 4G63 82-88 Note : No stock valve - custom fit required
  • MITSUBISHI Starion JA-JD 4G63 82-88 Note : No stock valve - custom fit required
  • MITSUBISHI Starion JA-JD 4G63 82-88 Note : No stock valve - custom fit required
  • MAZDA 626 GT GC FET 86-87 Note : Factory valve not directly replaceable - custom fit required
  • TOYOTA Celica GT-Four ST185 3S-GTE 89-93 Note : No stock valve - custom fit required
  • TOYOTA Celica GT-Four ST205 3S-GTE 94-99 Note : Factory valve not directly replaceable - custom fit required
  • NISSAN GTi-R N14 SR20DET 1990-1995 Note : Softer spring (part # 6116) must be used or the valve will not open properly. Alternatively, the BOV vacuum hose can be teed into all four of the individual throttle bodies instead of just one.
  • NISSAN 300ZX Z32 VG30DETT 89-97 Note : 2 valves required
  • NISSAN 300ZX Z32 VG30DETT 89-97 Note : 2 valves required
  • SUBARU WRX MY97-98
  • SUBARU STi MY94-96
  • SUBARU WRX MY97-98
  • MAZDA 626 GD F2 turbo 87-91 Note : Factory valve not directly replaceable - custom fit required
  • HOLDEN Commodore VL RB30ET 86-88 Note : No stock valve - custom fit required
  • NISSAN 180SX S13 1.8 CA18DET 89-92 Note : No stock valve - custom fit required
  • NISSAN 180SX S13 2.0 SR20DET
  • FORD AUSTRALIA TX5 AT F2 turbo 87-89 Note : Factory valve not directly replaceable - custom fit required
  • MITSUBISHI Cordia AA-AC 4G62 83-89 Note : No stock valve - custom fit required
  • MAZDA MX6 GD F2 turbo 87-91 Note : Factory valve not directly replaceable - custom fit required
  • NISSAN Silvia S13 2.0 SR20DET 88-94
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